*{
    margin: 0;
    display: 0;
}
body{
    text-align: center; 
}
.header{
    width: 300px;
    height: 400px;
    color: white;
    background-color: dimgrey;
}
.p1{
    font-size: 16px;
}
.p2{
    font-size: 24px;
    margin-top: 50px;
}
.p3{
    font-size: 18px;
    margin-top: 20px;
    margin-right: -40%;
}
.footer{

    width: 300px;
    height: 200px;
    background-color: gainsboro;
}
.p4{
    font-size: 16px;
    font-weight: bold;
    line-height: 180px;
}